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Mac OS X only: Free application AddressBookSync pulls contact photos and birthdays from your Facebook account and syncs them with Address Book, so you’ll always nice photos assigned to your contacts (and hopefully never miss another birthday). More »

Mac OS X only: Free plug-in Understudy integrates Hulu and Netflix streaming directly into Front Row. Hulu recently made a seriously poor decision, blocking media center application Boxee from streaming Hulu content. For the same reason, Understudy has been crippled to comply with Hulu’s indication that More »

Mac OS X only: Disk for iPhone is a free application that mounts your iPhone or iPod touch as a drive on your Mac, turning your device into a portable hard drive. More »

Mac OS X only: Screen locker utility LockTight adds a shortcut key combination for OS X users to quickly lock your workstation from the keyboard. Windows users switching to using a Mac might be surprised to More »

Google has officially released their popular photo management application Picasa for Macs, after years of offering Picasa as a free Windows download. More »

Mac OS X only: Free, open-source application GlimmerBlocker adds a new preference pane to your System Preferences that brings system-wide ad blocking to your Mac.

Just install GlimmerBlocker and let it do its work. You can add custom filters, track your ad-blocking history, and even allow your iPhone or iPod touch to use the GlimmerBlocker filters on your network. Firefox users already have the beloved Adblock Plus extension, but if you ever use a different browser or you’d prefer to manage your ad blocking through a robust preference pane, GlimmerBlocker does the trick. GlimmerBlocker is a free download, Mac OS X Leopard only.
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Mac OS X only: When TextEdit just doesn’t cut it for dealing with simple text files, and you don’t want to drop the cash for BBEdit or TextMate, free editor Smultron is a great option. Smultron can open multiple files at once (in tabs across the top, or thumbnails down a sidebar), display line numbers, save reusable snippets, format code for you scripters out there, search text across several documents—essentially, do all the things any self-respecting text editor can do, but without the price tag. Up until now, TextWrangler was my text editor of choice for the Mac, but Smultron’s giving it a run for its money. Smultron is a free download for Mac only, donations accepted.